Home / 15,535.52-23,313.75-5,675.79

Finding the Fourth Proportional to 15,535.52, 23,313.75 and 5,675.79

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Solution

The fourth proportional to 15,535.52, 23,313.75 and 5,675.79 is: 8,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535.52 : 23,313.75 = 5,675.79 : x
  2. Step 2: Convert to fraction form
    15,535.52/23,313.75 = 5,675.79/x
  3. Step 3: Cross multiply
    15,535.52x = 23,313.75 × 5,675.79
  4. Step 4: Simplify right side
    15,535.52x = 132,323,949.11
  5. Step 5: Solve for x
    x = 132,323,949.11/15,535.52
  6. Step 6: Final answer
    x = 8,517.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.